SST31LF041 查看數據表（PDF） - Silicon Storage Technology

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SST31LF041

4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory

Silicon Storage Technology 

4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory

SST31LF041 / SST31LF041A / SST31LF043 / SST31LF043A

Data Sheet

ADDRESS A18-0

TRC

TAA

BES#1

BEF#

TBE

OE#1

TOE

WE#

DQ7-0

VIH

HIGH-Z

TOLZ

TBLZ

TOH

DATA VALID

TOHZ

TBHZ

DATA VALID

HIGH-Z

349 ILL F18.5

Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.

FIGURE 5: FLASH READ CYCLE TIMING DIAGRAM

ADDRESS A18-0

WE#

TAS

OE#1

5555

TAH

TWP

2AAA

TWPH

5555

ADDR

INTERNAL PROGRAM OPERATION STARTS

TBP

TDH

TDS

BES#1

BEF#

DQ7-0

TCH

AA

SW0

TCS

55

SW1

A0

DATA

SW2

BYTE

(ADDR/DATA)

349 ILL F04.6

Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.

FIGURE 6: FLASH WE# CONTROLLED PROGRAM CYCLE TIMING DIAGRAM

©2001 Silicon Storage Technology, Inc.

13

S71107-03-000 5/01 349

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